Protists are a diverse group of eukaryotes that are primarily single-celled and microscopic and exhibit a wide variety of shapes and life strategies.

Nov 7, 2025 · Protist, any member of a group of diverse eukaryotic, predominantly unicellular microscopic organisms. They may share certain morphological and physiological characteristics with …

Feb 2, 2023 · Protists are the oldest eukaryotic microorganisms, having a nucleus and other membrane-bound organelles. Since they do not wholly fit into other groups like plants, animals, bacteria, or …

Aug 5, 2025 · The term “protist” might sound like a placeholder—and in many ways, it is. It’s not a name for a single group of closely related organisms, but rather a convenient bin for everything that doesn’t …

May 1, 2025 · Protists can acquire nutrition through photosynthesis, absorbing nutrients, or feeding on other organisms. Some protists move using flagella, cilia, or pseudopodia, while others do not move …

Nov 25, 2025 · Many different naming schemes were used over the last couple of centuries, but it has become the most common practice to refer to eukaryotes that are not land plants, animals, or fungi …

4 days ago · Have you ever examined pond water under a microscope? Did you see small organisms gliding around? If so, you saw a protist. Protists make up a large group of eukaryotic organisms on …

The first is a phylogeny-based definition; that protists are all eukaryotes that are not animals, fungi, or land plants (Embryophyta). The second concept includes various definitions based on biological …

Eukaryotic organisms that did not fit the criteria for the kingdoms Animalia, Fungi, or Plantae historically were called protists and were classified into the kingdom Protista.

: any of a kingdom of organisms that resemble plants or animals or both, are one-celled and sometimes colonial or less often many-celled, and that typically include the protozoans, most algae, and often …